Submerged granite boulder ridge on the southern part of the Similans Marine Park. Grogonian sea fans and hard corals are found. On the deeper, sandy egdes different species of gobies and garden eels. Pelagics visit occasionally. Anemones with porcelain crabs. Usually mild to stron current.
Facts about Shark Fin Reef, Similan Islands

• It is in Thailand
• Shark Fin Reef, Similan Islands is in the Andaman Sea.
• The typical depth is 0-30 Metres 0-100 Feet.
• The typical visibility is 30+ Metres 100+ Feet.